Diffusion Process Of Interstitial Atoms In Inp Studied By Transmission Electron Microscopy

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<jats:title>Abstract</jats:title><jats:p>It is found that interstitial agglomerates are formed uniformly in an irradiated area of InP by annealing at the temperature above 700 K after 200 keV-electron irradiation. TEM observation shows that the number density of interstitial atoms in the agglomerates reached a maximum value when the growth of all the agglomerates stopped. The final density did not depend on annealing temperature but on electron dose, and it increased quadratically with electron dose up to 2×10<jats:sup>22</jats:sup> cm<jats:sup>−2</jats:sup>. In order to explain the experimental results, we have proposed a new model that the agglomerates are formed by thermal diffusion and agglomeration of interstitial-pairs, i.e. In<jats:sub>i</jats:sub>-P<jats:sub>i</jats:sub> interstitial-pairs. From the analysis, the migration energies for the pairs are estimated to be 1.52 eV. The onset temperature for the diffusion of the pairs is estimated as 550 K.</jats:p>

収録刊行物

  • MRS Proceedings

    MRS Proceedings 442 1996-01-01

    Springer Science and Business Media LLC

詳細情報 詳細情報について

  • CRID
    1871991017540787712
  • DOI
    10.1557/proc-442-435
  • ISSN
    19464274
    02729172
  • データソース種別
    • OpenAIRE

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